//import javax.servlet.ServletException;
//import javax.servlet.annotation.WebServlet;
//import javax.servlet.http.HttpServlet;
//import javax.servlet.http.HttpServletRequest;
//import javax.servlet.http.HttpServletResponse;
//import java.io.IOException;
//
//public class HelloServlet {
//    @WebServlet("/hello")
//    public class HelloServlet extends HttpServlet {
////    public class HelloServlet extends HttpServlet{
//        @Override
//        protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException{
//            resp.getWriter().write("hello servlet"+System.currentTimeMillis());
//        }
//    }
//
//}
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/hello")
public class HelloServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //打印在控制台
        System.out.println("hello world");
        //在网页显示
        resp.getWriter().write("hello world");
    }
}
